Body for vehicle

Abstract

A body for a vehicle includes a first member provided at a lower portion of a front floor module extending to a front of a second member provided at a center floor module, and a third member provided at a lower portion of a rear floor module extending to a rear of the second member provided at the center floor module to form a main load path along the first, second, and third members extending from a foremost end of the vehicle to a hindmost end of the vehicle.

What is claimed is: 
     
       1. A body for a vehicle, the body comprising:
 a first member provided at a lower portion of a front floor module extending to a front of a second member provided at a center floor module; 
 a third member provided at a lower portion of a rear floor module extending to a rear of the second member provided at the center floor module to form a main load path along the first, second, and third members extending from a foremost end of the vehicle to a hindmost end of the vehicle; 
 pillar members extending from both sides of a front of the body to a roof side; 
 a front cross connection member connected between front ends of both pillar members to form a first distribution load path extending from the front cross connection member to each of the pillar members; and 
 a suspension mounting member having a first end connected to both end portions of the front cross connection member in a front-rear direction and a second end connected to a side reinforcing member extending from both sides of the front of the body to both sides of a rear of the body through a lower portion of both sides of a center of the body to form a second distribution load path extending from the front cross connection member to the suspension mounting member and the side reinforcing member. 
 
     
     
       2. The body of  claim 1 , wherein:
 the second member comprises a center support member provided at the center floor module in a front-rear length direction of the vehicle; 
 the first member comprises a front support member provided at the lower portion of the front floor module in the front-rear length direction, a rear end of the front support member connected to a front end of the center support member; and 
 the third member comprises a rear support member provided at the lower portion of the rear floor module in the front-rear length direction, a front end of the rear support member connected to a rear end of the center support member. 
 
     
     
       3. The body of  claim 2 , wherein the center support member, the front support member, and the rear support member are provided on a same straight line in a same horizontal plane, and the main load path is formed in a straight line. 
     
     
       4. The body of  claim 1 , further comprising:
 a pillar side module bolted to both sides of the center floor module to form a cabin module; 
 the front floor module bolted to a lower portion of a front of the cabin module; and 
 the rear floor module bolted to a lower portion of a rear of the cabin module. 
 
     
     
       5. The body of  claim 4 , further comprising a rigidity reinforcing member fastened to a portion having weak rigidity among portions where the modules are connected to each other. 
     
     
       6. A body for a vehicle, the body comprising:
 a center support member provided at a center floor module in a front-rear length direction of the vehicle; 
 a front support member provided at a lower portion of a front floor module in the front-rear length direction, a rear end of the front support member connected to a front end of the center support member; 
 a rear support member provided at a lower portion of a rear floor module in the front-rear length direction, a front end of the rear support member connected to a rear end of the center support member; 
 pillar members extending from both sides of a front of the body to a roof side; 
 a front cross connection member connected between front ends of both pillar members to form a first distribution load path extending from the front cross connection member to each of the pillar members; 
 a side reinforcing member extending from both sides of the front of the body to both sides of a rear of the body through a lower portion of both sides of a center of the body; and 
 a suspension mounting member having a first end connected to both end portions of the front cross connection member in a front-rear direction and a second end connected to the side reinforcing member to form a second distribution load path extending from the front cross connection member to the suspension mounting member and the side reinforcing member. 
 
     
     
       7. The body of  claim 6 , wherein a main load path is provided along the center support member, the front support member, and the rear support member extending from a front end of the vehicle to a rear end of the vehicle. 
     
     
       8. The body of  claim 6 , further comprising:
 a pillar side module bolted to both sides of the center floor module to form a cabin module; 
 the front floor module bolted to a lower portion of a front of the cabin module; and 
 the rear floor module bolted to a lower portion of a rear of the cabin module. 
 
     
     
       9. The body of  claim 8 , further comprising a rigidity reinforcing member fastened to a portion where the pillar side module is connected to the center floor module, a portion where the front floor module is connected to the cabin module, or a portion where the rear floor module is connected to the cabin module. 
     
     
       10. The body of  claim 9 , wherein a cross-section perpendicular to a length direction of the rigidity reinforcing member has a “U” shape. 
     
     
       11. A body for a vehicle, the body comprising:
 a center floor module comprising center support members provided on each side of the vehicle in a front-rear length direction of the vehicle; 
 a front floor module comprising front support members provided on each side of the vehicle at a lower portion of the front floor module, respective rear ends of the front support members connected to respective front ends of the center support members; 
 a rear floor module comprising rear support members provided on each side of the vehicle at a lower portion of the rear floor module in the front-rear length direction, respective front ends of the rear support members connected to respective rear ends of the center support members; 
 pillar side modules coupled to each side of the center floor module, each pillar side module comprising: 
 pillar members extending from a front of each side of the body to a rear of each side of the body through an upper roof side of the body; and 
 side reinforcing members extending from the front of each side of the body to the rear of each side of the body through a lower portion of the center floor module, front ends of the side reinforcing members connected to front middle portions of the pillar members, and rear ends of the side reinforcing members connected to rear middle portions of the pillar members. 
 
     
     
       12. The body of  claim 11 , further comprising main load paths extending from the front of each side of the body to the rear of each side of the body along the front support members, the center support members, and the rear support members on each side of the body. 
     
     
       13. The body of  claim 11 , further comprising a front connection member connected between the front ends of the pillar members in a direction transverse to the front-rear length direction of the vehicle, wherein first distribution load paths are formed extending from the front cross connection member to each of the pillar members. 
     
     
       14. The body of  claim 13 , further comprising suspension mounting members formed on each side of the vehicle in the front-rear length direction of the vehicle, front ends of the suspension mounting members connected to respective ends of the front cross connection member, wherein the front ends of the pillar members are connected to respective upper surfaces of the front ends of the suspension mounting members, and wherein second distribution load paths are formed extending from the front cross connection member to each of the pillar members. 
     
     
       15. The body of  claim 4 , wherein:
 the second member comprises a center support member provided at the center floor module in a front-rear length direction of the vehicle; 
 the first member comprises a front support member provided at the lower portion of the front floor module in the front-rear length direction, a rear end of the front support member connected to a front end of the center support member; and 
 the third member comprises a rear support member provided at the lower portion of the rear floor module in the front-rear length direction, a front end of the rear support member connected to a rear end of the center support member. 
 
     
     
       16. The body of  claim 15 , wherein the center support member, the front support member, and the rear support member are provided on a same straight line in a same horizontal plane, and the main load path is formed in a straight line. 
     
     
       17. The body of  claim 5 , wherein:
 the second member comprises a center support member provided at the center floor module in a front-rear length direction of the vehicle; 
 the first member comprises a front support member provided at the lower portion of the front floor module in the front-rear length direction, a rear end of the front support member connected to a front end of the center support member; and 
 the third member comprises a rear support member provided at the lower portion of the rear floor module in the front-rear length direction, a front end of the rear support member connected to a rear end of the center support member. 
 
     
     
       18. The body of  claim 17 , wherein the center support member, the front support member, and the rear support member are provided on a same straight line in a same horizontal plane, and the main load path is formed in a straight line. 
     
     
       19. The body of  claim 8 , wherein a main load path is provided along the center support member, the front support member, and the rear support member extending from a front end of the vehicle to a rear end of the vehicle. 
     
     
       20. The body of  claim 13 , further comprising main load paths extending from the front of each side of the body to the rear of each side of the body along the front support members, the center support members, and the rear support members on each side of the body.